From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Thu, 26 Sep 2013 18:15:22 +0000 (+0000)
Subject: Add macro test from N3781.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=65ea687b8abbfc892e8d91bba477999b0379b07b;p=clang

Add macro test from N3781.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@191444 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Lexer/cxx1y_digit_separators.cpp b/test/Lexer/cxx1y_digit_separators.cpp
index 59ad5d30f4..39ea3e7b8d 100644
--- a/test/Lexer/cxx1y_digit_separators.cpp
+++ b/test/Lexer/cxx1y_digit_separators.cpp
@@ -36,3 +36,8 @@ namespace floating {
 
 #line 123'456
 static_assert(__LINE__ == 123456, "");
+
+// x has value 0 in C++11 and 34 in C++1y.
+#define M(x, ...) __VA_ARGS__
+constexpr int x = { M(1'2,3'4) };
+static_assert(x == 34, "");